[INFO] cloning repository https://github.com/cykna/promisrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cykna/promisrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcykna%2Fpromisrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcykna%2Fpromisrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd68aedcf09a505d53d66ab53d1da426439ecb83
[INFO] checking cykna/promisrs against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcykna%2Fpromisrs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cykna/promisrs
[INFO] finished tweaking git repo https://github.com/cykna/promisrs
[INFO] tweaked toml for git repo https://github.com/cykna/promisrs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cykna/promisrs on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cykna/promisrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded httparse v1.10.0
[INFO] [stderr]   Downloaded bytes v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c0fb148f70030f7c0cbf209989fef957254c97fdc536e04a83a321b9a1bad1
[INFO] running `Command { std: "docker" "start" "-a" "97c0fb148f70030f7c0cbf209989fef957254c97fdc536e04a83a321b9a1bad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c0fb148f70030f7c0cbf209989fef957254c97fdc536e04a83a321b9a1bad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c0fb148f70030f7c0cbf209989fef957254c97fdc536e04a83a321b9a1bad1", kill_on_drop: false }`
[INFO] [stdout] 97c0fb148f70030f7c0cbf209989fef957254c97fdc536e04a83a321b9a1bad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b3da41dc8959166b242a8fe5708fe25933628b5fdac97b7c3e2ecc3e9bafd1
[INFO] running `Command { std: "docker" "start" "-a" "54b3da41dc8959166b242a8fe5708fe25933628b5fdac97b7c3e2ecc3e9bafd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]     Checking promises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/main.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn on_get_req(&self, req: &Request) -> Response<String> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         addr: SocketAddr,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Done` is never constructed
[INFO] [stdout]  --> src/promises.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum PromiseState<T, E> {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Done(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `catch`, `then`, and `block` are never used
[INFO] [stdout]   --> src/promises.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Promise {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn catch(&mut self, _: Box<PromiseErr>) {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn then(&mut self, val: Box<PromiseCb>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn block(&mut self) {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/main.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn on_get_req(&self, req: &Request) -> Response<String> {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericPromise` is never constructed
[INFO] [stdout]   --> src/promises.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct GenericPromise {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `promise` is never used
[INFO] [stdout]   --> src/promises.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn promise<F>(f: F, data: Option<Box<dyn Any>>) -> GenericPromise
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timeout` is never constructed
[INFO] [stdout]  --> src/timers.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Timeout<F>
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_timeout` is never used
[INFO] [stdout]   --> src/timers.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn set_timeout<F>(f: F, secs: f32) -> Timeout<F>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interval` is never constructed
[INFO] [stdout]   --> src/timers.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Interval<F>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_interval` is never used
[INFO] [stdout]   --> src/timers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn set_interval<F>(f: F, ms: f32) -> Interval<F>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         addr: SocketAddr,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Done` is never constructed
[INFO] [stdout]  --> src/promises.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum PromiseState<T, E> {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Done(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `catch`, `then`, and `block` are never used
[INFO] [stdout]   --> src/promises.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Promise {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn catch(&mut self, _: Box<PromiseErr>) {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn then(&mut self, val: Box<PromiseCb>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn block(&mut self) {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericPromise` is never constructed
[INFO] [stdout]   --> src/promises.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct GenericPromise {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `promise` is never used
[INFO] [stdout]   --> src/promises.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn promise<F>(f: F, data: Option<Box<dyn Any>>) -> GenericPromise
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timeout` is never constructed
[INFO] [stdout]  --> src/timers.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Timeout<F>
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_timeout` is never used
[INFO] [stdout]   --> src/timers.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn set_timeout<F>(f: F, secs: f32) -> Timeout<F>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interval` is never constructed
[INFO] [stdout]   --> src/timers.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Interval<F>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_interval` is never used
[INFO] [stdout]   --> src/timers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn set_interval<F>(f: F, ms: f32) -> Interval<F>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "54b3da41dc8959166b242a8fe5708fe25933628b5fdac97b7c3e2ecc3e9bafd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b3da41dc8959166b242a8fe5708fe25933628b5fdac97b7c3e2ecc3e9bafd1", kill_on_drop: false }`
[INFO] [stdout] 54b3da41dc8959166b242a8fe5708fe25933628b5fdac97b7c3e2ecc3e9bafd1
